South Africa's National Institute of Infectious Diseases (NICD) and others reported on the 2nd (local time) that Omicron, a new mutation in COVID-19, triples the risk of reinfection.
According to the report, the South African Center for Epidemiologic Modeling and Analysis (SACEMA) and NICD, a subsidiary of the Ministry of Health, said that it was based on epidemiological data from South Africa.
NICD et al. continued, "The latest findings show that there is epidemiological evidence that omicron mutations have the ability to evade immunity formed by previous infections."
The statement came after a series of South African health organizations published pre-prints of unpublished papers on medrxiv.org, a pre-publication site for medical papers.
On the 25th of last month, a week ago, the NICD announced that an omicron mutation was detected in South Africa.
Initially, it was expected that it would take at least two weeks to determine the specific risks of Omicron.
In a tweet today, the NICD announced that there were 11,535 new cases in the last 24 hours.
The number of new confirmed cases nearly doubled over the past three days, including 2,273 (November 29), 4,373 (November 30), and 8,561 (December 1), before reaching the 10,000 mark on that day. passed.
The positive rate among testers also increased from 16.5% the previous day to 22.4%.
The daily death toll rose from 28 the day before to 44 today.